Home
Class 12
CHEMISTRY
H(2)O(2) is prepared in the laboratory w...

`H_(2)O_(2)` is prepared in the laboratory when -

A

`MnO_(2)` is added to dilute cold `H_(3)PO_(4)`

B

`BaO_(2)` is added to `CO_(2)` bubbling through cold water

C

`PbO_(2)` is added to an acidicied solution of `KMnO_(4)`

D

`Na_(2)O_(2)` is added to boiling water

Text Solution

Verified by Experts

The correct Answer is:
B
By `BaO_(2)`.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

H_(2)O_(2) is commonly ·prepared in laboratory by the reaction of

How is H_(2)S prepared in laboratory ?

In the laboratory, H_(2)O_(2) is prepared by the action of

H_2O_2 is prepared in laboratory by action of H_2SO_4 with

In lab H_(2)O_(2) is prepared by

How is D_(2)O_(2) prepared?

How is benzene prepared in the laboratory and on commercial scale ? How does it react with conc. HNO_3 in the presence of conc. H_2SO_4

How is benzene prepared in the laboratory and on commercial scale ? How does it react with C_2H_5Cl in the presence of AlCl_3 ?

Na_(2)S_(2)O_(3) is prepared by :

How is O_2 obtained in the laboratory?